题目内容
【题目】________a certain doubt among the people as to the practical value of the project.
A. It has B. They have
C. It remains D. There remains
【答案】D
【解析】答案 D [考查特殊句式。句意：关于那项规划的实际价值人们仍存怀疑。此句为there be结构，构成句式there be/remains...doubt...，故选D项。]
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